3=x+3-sx

Solution for 3=x+3-sx equation:

Simplifying
3 = x + 3 + -1sx

Reorder the terms:
3 = 3 + -1sx + x

Add '-3' to each side of the equation.
3 + -3 = 3 + -1sx + -3 + x

Combine like terms: 3 + -3 = 0
0 = 3 + -1sx + -3 + x

Reorder the terms:
0 = 3 + -3 + -1sx + x

Combine like terms: 3 + -3 = 0
0 = 0 + -1sx + x
0 = -1sx + x

Solving
0 = -1sx + x

Solving for variable 's'.

Move all terms containing s to the left, all other terms to the right.

Add 'sx' to each side of the equation.
0 + sx = -1sx + sx + x
Remove the zero:
sx = -1sx + sx + x

Combine like terms: -1sx + sx = 0
sx = 0 + x
sx = x

Divide each side by 'x'.
s = 1

Simplifying
s = 1